DC FAN 12V -D12A4020-A1B

Model: D12A4020‑A1B

Rated Voltage: 12 V DC — compatible with typical 12 V system rails

Fan Size: 40 × 40 × 20 mm — compact yet effective cooling footprint

Airflow: Typical 40 mm fans deliver airflow in the range of ~5.5 – 10.8 CFM depending on speed and build, helping cool small electronics efficiently.

Speed: Can operate from mid to high RPM (commonly around ~5000–8000 RPM depending on specific variant), ensuring effective ventilation.

Bearing: Often available with ball or sleeve bearings — ball bearings provide longer life and better durability.

Noise Level: Typical noise for this class is ~25–36 dB(A) (varies by RPM and bearing type).

Current & Power: Usually low power draw suitable for 12 V systems — examples for similar fans show ~0.05–0.17 A current draw.

Connector: Standard 2‑wire (red = +12 V, black = GND) for simple hookup

Mounting: Standard four‑hole mount for secure installation

Construction: Durable plastic housing for stable performance over long service life